docs: readme update

Author: adamberecz

README.md

@@ -2,16 +2,4 @@
 
 # Vueform Sandbox
 
-Use this sandbox to reproduce issues.
-
-## Usage
-
-### Step 1: Fork (requires login)
-
-### Step 2: Make changes
-
-### Step 3: Copy the **new** url
-Eg. `https://codesandbox.io/p/sandbox/goofy-silence-9tvzgq`
-
-**Make sure it's not the original!**
-`https://codesandbox.io/p/sandbox/github/vueform/sandbox/tree/main`
+Use this sandbox to reproduce issues.